Luck said he learned the importance to cadence at Stanford, when Jim Harbaugh ("You have to have a little gravel in your voice.") was his coach. Luck recalled hard counts "Red 80 Red 80 hut!" that he practiced in his dorm room.

"We very much believe as an offense that that can help us," Luck said of cadence at the line of scrimmage.

Luck said he believes his center, Ryan Kelly, is the league's most underrated offensive lineman.

Luck told Hasselbeck that loves football ... and American football. (Hasselbeck set him up on that one.) Luck said he had a jersey for the Frankfurt Galaxy (NFL Europe) growing up, and currently has one for U.S. national soccer squad. His favorite pro sports team other than the Colts is the Houston Dynamo (MLS).